/*
 * Copyright 2024 The sg-exam authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.github.tangyi.api.exam.model;

import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
import com.github.tangyi.common.base.BaseEntity;
import lombok.Data;
import lombok.EqualsAndHashCode;

import javax.persistence.Column;
import javax.persistence.Table;
import javax.validation.constraints.NotBlank;

/**
 * 知识库
 */
@EqualsAndHashCode(callSuper = true)
@Data
@Table(name = "exam_knowledge")
public class Knowledge extends BaseEntity<Knowledge> {

	/**
	 * 知识名称
	 */
	@NotBlank(message = "知识名称不能为空")
	@Column(name = "knowledge_name")
	private String knowledgeName;

	/**
	 * 知识描述
	 */
	@Column(name = "knowledge_desc")
	private String knowledgeDesc;

	/**
	 * 附件 ID
	 */
	@JsonSerialize(using = ToStringSerializer.class)
	@Column(name = "attachment_id")
	private Long attachmentId;

	/**
	 * 状态
	 */
	@NotBlank(message = "状态不能为空")
	@Column(name = "status")
	private String status;
}
